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Mercoid PG系列差压开关

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  • 公司名称深圳市德威达科技有限公司
  • 品       牌
  • 型       号
  • 所  在  地深圳市
  • 厂商性质经销商
  • 更新时间2018/5/14 9:00:00
  • 访问次数2220
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深圳市德威达科技有限公司 Shenzhen Deweida Technology Co., Ltd.是从事自动控制系统开发和仪器仪表等机电产品销售的高科技专业公司。 公司人员有着多年的工业自动控制和楼宇自动控制经验 ,技术力量雄厚。公司代理品牌有 美国 DWYER、ANDERSON、MERCOID、ITT、德国BECK、新加坡TELASIA等,产品涉及压力、流量、液位物位、风速、温湿度、阀门、气体检测、燃烧、数据采集等,广泛应用于工业自动化、暖通空调、楼宇自控、电厂、石油、化工、水处理,锅炉、压缩机、冷冻制冷设备、食品、医药、纺织、造纸、电子、环保、洁净工程等领域。

公司代理品牌有 美国 DWYER、ANDERSON、MERCOID、ITT、德国BECK、新加坡TELASIA等,产品涉及压力、流量、液位物位、风速、温湿度、阀门、气体检测、燃烧、数据采集等,广泛应用于工业自动化、暖通空调、楼宇自控、电厂、石油、化工、水处理,锅炉、压缩机、冷冻制冷设备、食品、医药、纺织、造纸、电子、环保、洁净工程等领域。
可调可视设定点刻度
Mercoid PG系列差压开关 产品信息

产品名称:  PG系列 气用微压/微差压开关
产品型号:  PG


 

 

 

 

 

可调可视设定点刻度

特点:大膜盒,高灵敏度,外部可视刻度可调,快动或水银密封开关,被列入ULFMCSA清单
介质:空气及相容气体
可调范围:250-7500Pa 3.5-35 KPa
工作温度:0-82.2

额定压力:不能超过zui大的可调工作压力范围
接点容量:SPDT4A/120VAC, 2A/240VAC,SPST6A /120VAC, 3A/240VAC
安装方式:垂直

尺寸:177.8X101.6mm
重量:3.4Kg

选型表:

型号 范围 zui大死区 开关类型
 PG-153-P1 1-30" water (.25-7.47 kPa) 1.9" w.c. (0.47 kPa) SPDT Mercury
 PG-153-P2 0.5-5 psid (.03-3.45 bar) 0.4 psid (0.38 bar) SPDT Mercury
 PG-3-P1 1-30" water (.25-7.47 kPa) 1.3" w.c. (0.32 kPa) SPST Mercury¹
 PG-3-P2 0.5-5 psid (.03-3.45 bar) 0.3 psid (0.21 kPa) SPST Mercury¹
 PG-7000-153-P1 1-30" water (.25-7.47 kPa) 4" w.c. (1.0 kPa) SPDT Snap
 PG-7000-153-P2 0.5-5 psid (.03-3.45 bar) .5 psid (.035 bar) SPDT Snap
 PG-7000-153HS-P1 1-30" water (.25-7.47 kPa) 4" w.c. (1.0 kPa) SPDT Hermetically Sealed Silver Snap
 PG-7000-153HG-P1 1-30" water (.25-7.47 kPa) 4" w.c. (1.0 kPa) SPDT Hermetically Sealed Gold Snap

 

举例
PG  
 
153
P1 PG-153-P1 (Vacuum) (Pressure) (Differential Pressure) Control, fixed deadband, automatic reset, SPDT mercury switch, adjustable range 1.0-30" w.c. (25-760 bar). UL FM CSA
结构
PG  
 
 
  General purpose enclosure, NEMA-1 (standard) UL FM CSA
复位操作
PR  
 
 
  Manual reset, operates on pressure increase automatically, resets on decrease1 UL FM CSA
 PRL  
 
 
  Manual reset, operates on pressure decrease automatically, resets on increase1  UL FM CSA
封装选项
  W
 
 
  Weather-resistant enclosure, NEMA-2, 3R   FM CSA
  E
 
 
  Explosion-proof enclosure, NEMA-7, 9, Class I, Groups C & D; Class II, Groups E, F & G, includes drain, specify if for pressure, vacuum or differential pressure.      
电路(开关)
选项
(For Electrical
Codes see Chart
Below)
   
 
  SPST mercury switch, elect. code K†, opens on vacuum, pressure or differential pressure increase UL FM CSA
   
 
2P
  SPST mercury switch, elect. code L†, opens on vacuum, pressure or differential pressure increase UL FM CSA
   
 
3
  SPST mercury switch, elect. code K†, closes on vacuum, pressure or differential pressure increase UL FM CSA
   
 
3P
  SPST mercury switch, elect. code L†, closes on vacuum, pressure or differential pressure increase UL FM CSA
   
 
153
  SPDT mercury switch, elect. code M† UL FM CSA
   
 
103
  DPST, two SPST mercury switches, elect. code L†, both close on increase, FM approved, PG, PGW only  UL FM CSA
   
 
105
  DPST, two SPST mercury switches, one elect. code L†, one elect. code N, both open on decrease UL FM CSA
   
 
127
  DPST, two SPST mercury switches, elect. code L†, both open on increase UL FM CSA
   
 
129
  DPST, two SPST mercury switches, one elect. code L†, one elect. code N, both open on increase  UL FM CSA
   
 
158
  SPDT, two SPST mercury switches, one elect. code L† - opens on increase, one elect. code N - closes on increase UL FM CSA
   
 
161
  SPDT, two SPST mercury switches, one elect. code L† - opens on decrease, one elect. code N - closes on decrease UL FM CSA
   
 
156
  SPDT, two SPST mercury switches, elect. code L†, one- opens on increase, one closes on increase UL FM CSA
   
 
804
  DPDT, two SPDT mercury switches, elect. code M†      
   
 
(__)
  Other circuits available, consult factory      
   
7000
153
  SPDT, snap acting switch, rated 15A at 120 VAC, 8A at 240 VAC, 0.5A at 120 VDC, .25A at 240 VDC (1)      
     
153HS
  SPDT, Hermetically sealed snap switch, rated 5A at 125/250 VAC, 5A resistive at 30 VDC UL    
     
153HG
  SPDT, Hermetically sealed gold contact snap switch, rated 1A at 125 VAC, 1A resistive at 30 VDC UL    
   
7200
804
  DPDT, two SPDT snap acting switches, rated 5A at 120/240 VAC, 30 VDC resistive (1)      

可调压差范围

       
P1
Adjustable range 1.0-30" w.c. (25-760 bar), maximum sustained pressure 2 psig* (0.14 bar) UL FM CSA
       
P2
Adjustable range 0.5-5 psig (.03-.35 bar), maximum sustained pressure 10 psig* (0.69 bar) UL FM CSA
* Maximum sustained pressure 15 psig (1.0), maximum surge limit 20 psig (1.4), both ranges when used as single pressure switch with low pressure port vented to atmosphere.
1   7000-153 and 7200-804 not available with PR or PRL manual reset.
 † See Electrical Rating Chart Below.

ELECTRICAL RATINGS - Mercury Switch
CODE
RATING AC or DC
K
6A at 120 V, 3A at 240 V
L
10A at 120 V, 5 A at 240 V
M
4A at 120 V, 2A at 240 V
N
1A at 120 V, 0.5A at 240 V
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